# Constants and default parameters (port of mod_var constants subset)

const MAX_PATH_LEN = 200
const MAX_NAME_LEN = 100
const RECNAM_LEN   = 7

# Physical constants
const π      = 3.14159265
const R_earth = 6.371e6      # m
const g       = 9.81         # m/s^2
const MOLAR_MASS_AIR = 28.97 # g mol^-1
const NUMERICAL_SCALE = 1.0e12 # Matches Fortran's mod_var:numscale
